74273622072 has 48 divisors (see below), whose sum is σ = 201066177240. Its totient is φ = 22853420928.

The previous prime is 74273622061. The next prime is 74273622079. The reversal of 74273622072 is 27022637247.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74273622079) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9151963 + ... + 9160074.

Almost surely, 2^74273622072 is an apocalyptic number.

It is an amenable number.

74273622072 is an abundant number, since it is smaller than the sum of its proper divisors (126792555168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74273622072 is a wasteful number, since it uses less digits than its factorization.

74273622072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18312072 (or 18312055 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 42.

The spelling of 74273622072 in words is "seventy-four billion, two hundred seventy-three million, six hundred twenty-two thousand, seventy-two".